Home / 10,875.56-16,313.67-5,175.30

Finding the Fourth Proportional to 10,875.56, 16,313.67 and 5,175.30

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Solution

The fourth proportional to 10,875.56, 16,313.67 and 5,175.30 is: 7,763.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,875.56 : 16,313.67 = 5,175.30 : x
  2. Step 2: Convert to fraction form
    10,875.56/16,313.67 = 5,175.30/x
  3. Step 3: Cross multiply
    10,875.56x = 16,313.67 × 5,175.30
  4. Step 4: Simplify right side
    10,875.56x = 84,428,136.35
  5. Step 5: Solve for x
    x = 84,428,136.35/10,875.56
  6. Step 6: Final answer
    x = 7,763.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.